– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 am Tue 30 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 30 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 30 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 10°C on Tue morning, min 5°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 27mm), heaviest during Sun morning. Mild temperatures (max 9°C on Fri afternoon, min 4°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  | |  | |  | |  |  | | |  |  | | | |
some clouds | some clouds | some clouds | some clouds | clear | some clouds | cloudy | cloudy | cloudy | cloudy | light rain | rain shwrs | light rain | light rain | light rain | mod. rain | light rain | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | 3 | 5 | 0.9 | 1.8 | 5 | 8 | 1.5 | 1.6 | |
max °C | 10 | 8 | 6 | 10 | 8 | 5 | 9 | 7 | 6 | 8 | 9 | 9 | 8 | 7 | 6 | 5 | 5 | 5 |
min °C | 8 | 6 | 6 | 8 | 6 | 5 | 7 | 6 | 5 | 7 | 8 | 5 | 6 | 6 | 5 | 4 | 5 | 4 |
8 | 6 | 6 | 8 | 6 | 5 | 6 | 6 | 4 | 6 | 7 | 3 | 4 | 3 | 1 | 0 | 2 | 3 | |
3100 | 3150 | 3000 | 2900 | 2800 | 2600 | 2400 | 2250 | 1950 | 2050 | 2200 | 2300 | 1550 | 1650 | 1400 | 1350 | 1400 | 1350 | |
Cloud base (m) | 4900 | 600 | 5700 | 5800 | 5750 | 5900 | 5600 | 4850 | 2400 | 1850 | 700 | 2250 | 550 | 1500 | 550 | 550 | 550 | 650 |
 | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | 4:20 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:24 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 10°C on Tue morning, min 5°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 27mm), heaviest during Sun morning. Mild temperatures (max 9°C on Fri afternoon, min 4°C on Sun morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.